THREE-PHASE WAVEFORM MODE
10.2 Block description
10.2.4 Three-phase output data register 1
Figure 10.2.7 shows the structure of the three-phase output data register 1 (the three-phase waveform
mode).
b7 b6 b5 b4 b3 b2 b1 b0
Three-phase output data register 1 (Address A916
)
X
X
X
Bit
0
Bit name
Function
At reset R/W
W-phase fixed output’s polarity
0 : “H” output fixed
1 : “L” output fixed
0
0
0
RW
RW
RW
set bit
(Note 1)
0 : “H” output fixed
1 : “L” output fixed
V-phase fixed output’s polarity
set bit (Note 2)
1
2
0 : “H” output fixed
1 : “L” output fixed
U-phase fixed output’s polarity
set bit (Note 3)
Invalid in the three-phase waveform mode.
3
4
0
0
RW
RW
0 : “H” output
V-phase output polarity set buffer
(in three-phase mode 0)
1 : “L” output
0 : Every second time
1 : Every forth time
Interrupt request interval set bit
(in three-phase mode 1)
0 : “H” output
1 : “L” output
U-phase output polarity set buffer
(in three-phase mode 0)
5
0
0
RW
RW
0 : An interrupt request occurs at each even-number-
ed underflow of timer A3
1 : An interrupt request occurs at each odd-number-
ed underflow of timer A3
Interrupt validity output select bit
(in three-phase mode 1)
7, 6
Invalid in the three-phase waveform mode.
X: It may be either “0” or “1.”
Notes 1: Valid when the W-phase output fix bit (bit 0 at address A816) = “1.” Be sure not to change the value during output of a
fixed value.
2: Valid when the V-phase output fix bit (bit 1 at address A816) = “1.” Be sure not to change the value during output of a
fixed value.
3: Valid when the U-phase output fix bit (bit 2 at address A816) = “1.” Be sure not to change the value during output of a
fixed value.
Fig. 10.2.7 Structure of three-phase output data register 1 (three-phase waveform mode)
7906 Group User’s Manual Rev.2.0
10-10
RENESAS [ RENESAS TECHNOLOGY CORP ]
